Water-proofing/damp-proofing of flat roofs and substructures.
All kinds of insulations:
-damp-proof membrane of flat roofs (mechanically anchored, loaded with aggregate and vegetative layer)
-base insulation - damp-proof course and aggressive power water proofing (used materials: PVC foils-Sikatunel, Hydrolen ZR, Fatrafol, Polyethylene ...